Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Somerville's average high-temperature slightly adjusts, moderately receding from November's moderate 59.7°F (15.4°C) to a fresh 51.8°F (11°C). During December, Somerville observes a consistent average nighttime temperature of 38.3°F (3.5°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
The wettest months in Somerville are April and December, with an average 4.29" (109mm) of rainfall.Snowfall
Months with snowfall are January through March, November and December. In Somerville, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, in Somerville, there are 6.1 snowfall days, and 1.73" (44mm) of snow is accumulated.Daylight
December has the shortest days of the year in Somerville, with an average of 9h and 54min of daylight.On the first day of December in Somerville, Alabama, sunrise is at 6:36 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:47 pm CST.
Sunshine
In Somerville, Alabama, the average sunshine in December is 4.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Somerville. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What are the temperatures in Somerville in December?
What is the most humid month in Somerville?
What is the average humidity in December in Somerville?
What is the rainiest month in Somerville?
How many days does it rain in December in Somerville?
How much does it snow in Somerville in December?
What is the month with the shortest days in Somerville?
How many hours of daylight does Somerville have in December?
When are sunrise and sunset in December in Somerville?
How long on average sun shines in December in Somerville?
When is the lowest UV index in Somerville?
What is the UV index intensity in December in Somerville?
Average temperature in December
Somerville, AL
- Average high temperature in December: 51.8°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Somerville, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Somerville, AL
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Somerville, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Somerville, AL
- Average rainfall in December: 4.29"
The wettest months (with the highest rainfall) are April and December (4.29").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Somerville, AL
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Somerville, AL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Somerville, AL
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Somerville, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Somerville, AL
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Somerville, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Somerville, AL
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Somerville, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Somerville, Alabama, USA
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